Ryan Crocker

Ryan C. Crocker, a career diplomat who has served as U.S. Ambassador to Pakistan since November 2004, replaced Zalmay Khalilzad as U.S. Ambassador to Iraq in March 2007, in "a major reshuffle of the US foreign policy and national security teams." 

Profiles
According to his U.S. Department of State profile, Crocker "served previously as the International Affairs Advisor at the National War College, where he joined the faculty in 2003. From May to August 2003, he was in Baghdad as the first Director of Governance for the Coalition Provisional Authority.

"He was Deputy Assistant Secretary of State for Near Eastern Affairs from August 2001 to May 2003, and served previously as Ambassador to Syria (1998-2001), Ambassador to Kuwait (1994-1997) and Ambassador to Lebanon (1990-1993). Since joining the Foreign Service in 1971, he also has had assignments in Iran, Qatar, Iraq and Egypt, as well as Washington. He was assigned to the American Embassy in Beirut during the Israeli invasion of Lebanon in 1982 and the bombings of the embassy and the Marine barracks in 1983.

"He grew up in an Air Force family, attending schools in Morocco, Canada and Turkey, as well as the U.S. He received a B.A. in English in 1971 and an honorary Doctor of Laws degree in 2001 from Whitman College (Washington)."

Also see

 * Bush administration
 * In Pakistan he was succeeded by Anne Patterson